Description

Phenolic spacers prevent horsepower-robbing heat transfer while also increasing air flow. Spacers are precision CNC-machined in the U. S. from a state-of-the-art polymer compound and can withstand temperatures up to 400° F. Available in open or four hole versions for popular 4150 & 4500 Holley style carburetors in 1/2", 1" and 2" thickness. Four hole spacers are additionally offered with specially tapered holes which increase air velocity under the carburetor.Pit Stop USA offers Allstar Performance Holley 4500 Open Carb Spacer - 1" Thick ALL25991 at low everyday prices. Be sure to check out all of our products from Allstar Performance including Allstar Performance Carburetor Spacers.